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1.
Network Loop Prevention with the Rapid Spanning Tree Protocol (RSTP)
By Sean Wilkins
Jun 30, 2015
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, examines the differences between the Spanning Tree Protocol (STP) and the more modern Rapid Spanning Tree Protocol (RSTP).
2.
Video: Natalie Timms on Cisco TrustSec
By Natalie Timms
Jun 18, 2015
Natalie Timms, author of Cisco TrustSec LiveLessons: Deployment, Configuration and Troubleshooting Techniques, discusses the relevance of Cisco TrustSec to security today, who would benefit from viewing her video, "Cisco TrustSec LiveLessons," and the integration of TrustSec technologies into key Cisco certifications. Find out more about Natalie and Cisco TrustSec at www.ciscopress.com.
3.
VLAN Configuration Fundamentals and Commands
By Sean Wilkins
Jun 15, 2015
After becoming familiar with basic VLAN concepts, you need to learn how to configure your organization's networks and devices. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses important concepts and commands you will use in setting up networks and getting devices to talk to each other.
4.
Wireless LAN Implications, Problems, and Solutions
By Jim Geier
Jun 15, 2015
When designing and supporting a WLAN, however, you must be aware of potential implications, such as security vulnerabilities, radio signal interference, multipath propagation, and other issues. This chapter from Designing and Deploying 802.11 Wireless Networks explains the impacts of these problems and introduces some ways to resolve them.
5.
Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Campus Network Architecture
By Richard Froom, Erum Frahim
Jun 4, 2015
This chapter from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) covers implementing VLANs and trunks in campus switched architecture, understanding the concept of VTP and its limitation and configurations, and implementing and configuring EtherChannel.
6.
Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Network Design Fundamentals
By Richard Froom, Erum Frahim
Jun 1, 2015
This chapter from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) begins the journey of exploring campus network design fundamentals by focusing on a few core concepts around network design and structure and a few details about the architecture of Cisco switches.
7.
Virtual vs. Physical LANs: Device Functionalities
By Sean Wilkins
May 29, 2015
If you have a good grasp of the basics of local access networks (LANs), it's time to step up your game. Sean Wilkins, co-author of CCNA Routing and Switching ICND2 200-101 Official Cert Guide, explores the concepts behind virtual LANs, how they differ from physical LANs, and why VLANs make sense for modern organizations.
8.
Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Fundamentals Review
By Richard Froom, Erum Frahim
May 27, 2015
This chapter from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) covers the following basic switching topics as a review to CCNA: hubs and switches, bridges and switches, switches of today, broadcast domains, MAC addresses, the basic Ethernet frame format, basic switching function, VLANs, the Spanning Tree Protocol, trunking, port channels, and multilayer switching (MLS).
9.
Video: NX-OS Configuration Fundamentals: Virtual Routing and Forwarding
By Ron Fuller, David Jansen, Matthew McPherson
May 25, 2015
In this excerpt from NX-OS Configuration Fundamentals LiveLessons, learn about layer 3 virtualization capabilities within NX-OS, in particular, virtual routing and forwarding (VRF).
10.
Video: NX-OS Configuration Fundamentals: Unified Fabric Basics
By Ron Fuller, David Jansen, Matthew McPherson
May 21, 2015
In this excerpt from NX-OS Configuration Fundamentals LiveLessons, learn about unified fabric basics, including a discussion of Fibre Channel over Ethernet, FCoE protocol fundamentals and the benefits of FCoE.
11.
Basic Data Transmission in Networks: MAC Tables and ARP Tables
By Sean Wilkins
May 12, 2015
Bombarded with jargon, no wonder networking beginners get lost. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains some crucial terminology for anyone who needs to understand complex networking.
12.
Video: NX-OS Configuration Fundamentals: NX-OS Security Basics
By Ron Fuller, David Jansen, Matthew McPherson
May 11, 2015
In this video excerpt from NX-OS Configuration Fundamentals LiveLessons, learn NX-OS security basics.
13.
CCNP Security SISAS 300-208 Official Cert Guide: Authentication Policies
By Aaron Woland, Kevin Redmon
May 6, 2015
In this chapter from CCNP Security SISAS 300-208 Official Cert Guide, the authors discuss network authentication policies.
14.
Video: IPv6 Fundamentals: Purpose and Format of GUA
By Rick Graziani
May 6, 2015
In this video excerpt from IPv6 Fundamentals LiveLessons: A Straightforward Approach to Understanding IPv6, Rick Graziani discusses the purpose and format of Global Unicast Addresses (GUA).
15.
Collision Domains and Broadcast Domains = Apples and Oranges
By Sean Wilkins
May 5, 2015
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, doesn't approve of blurring collision domains and broadcast domains. Though these models are often taught together, modern technology has outpaced some of the ideas, and networking specialists who are new to the field need to distinguish between current terminology and outdated concepts.
16.
Video: IPv6 Fundamentals: Configuring a Static GUA
By Rick Graziani
May 4, 2015
In this video excerpt from IPv6 Fundamentals LiveLessons: A Straightforward Approach to Understanding IPv6, Rick Graziani shows you how to configure a static Global Unicast Address (GUA).
17.
Video: IPv6 Fundamentals: A Brief Look at ICMPv6 Neighbor Discovery
By Rick Graziani
Apr 17, 2015
In this excerpt from IPv6 Fundamentals LiveLessons: A Straightforward Approach to Understanding IPv6, Rick Graziani discusses ICMPv6 Neighbor Discovery.
18.
Video: Cisco Bring Your Own Device Networking: EPS (Endpoint Protection Services)
By Kevin Redmon
Apr 10, 2015
In this excerpt from Cisco Bring Your Own Device (BYOD) Networking LiveLessons, Kevin Redmon discusses how to handle lost or stolen devices.
19.
Virtualizing Cisco Network Devices
By Navaid Shamsee, Ahmed Afrose, Hesham Fayed, Ozden Karakok, David Klebanov
Mar 17, 2015
This chapter from CCNA Data Center DCICT 640-916 Official Cert Guide covers the virtualization capabilities of the Nexus 7000 and Nexus 5000 switches using Virtual Device Context (VDC) and Network Interface Virtualization (NIV).
20.
OSPF Implementation
By Diane Teare, Rick Graziani, Bob Vachon
Feb 3, 2015
This chapter from Implementing Cisco IP Routing (ROUTE) Foundation Learning Guide: (CCNP ROUTE 300-101) examines the Open Shortest Path First (OSPF) Protocol, one of the most commonly used interior gateway protocols in IP networking.

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